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Bus
Snow and ice do not go barefoot - the car for the winter, too, need to change s. About winter rubber we wrote repeatedly, therefore only briefly recall the main points. Winter tires are designed with markings M + S (Mud + Snow - "Mud + Snow"), Winter ("Winter") or W. These inscriptions are sometimes accompanied by icons in the form of snowflakes and clouds. It is better to choose tires narrower than those on which you drive in the summer - of course, within the allowable size for your vehicle range. Protector must push snow and mud porridge to a firm covering, and narrow tires cope with it better. Undesirable winter ride on all-season tires - the ones that are marked indexes AS (All Seasons - "All seasons") or AW (Any Weather - "Any Weather"). "Winter" possibilities at them frail; all-season in the full sense of the word can be considered only if it is a little snow in Europe, rather than Russia. The above is less about tires for off-road vehicles. It is in all-season performance significantly "more winter", than the passenger. If you have an SUV, and the AS AW winter - this is acceptable. But, of course, worse than the M + S or Winter. Spike tires on ice and snow keep better than studless. But on pure asphalt at braking on thorns the probability of blocking the wheels skidding and braking distances increase: steel thorns not bad slide on asphalt. The danger lies in the fact that drivers blindly trust in thorns and, braking on asphalt, expect from them the same death grip, as well as on the ice. By the way, non-studded winter tires of new generations on a slippery surface behave practically not worse than the spike. Some put the winter tires only on the drive wheels. And on the left led ... summer. Do not do that, it's dangerous. On slippery roads drift potential studless pair of wheels is very high, even in relatively harmless situations - too different coefficients of adhesion and resistance to lateral withdrawal. Not shipuyte bus anywhere. It is a process responsible, demanding the good equipment and specialists. Skewed, not enough or too drowned in rubber spikes increase tire wear. And, of course, does not contribute to safety.
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